As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF DESCENT, F/A SMELLED A BURNING RUBBER ODOR NEAR BACK OF THE ACFT. NO SMOKE ACCOMPANIED SMELL. CREW TURNED GALLEY POWER OFF. ODOR DISAPPEARED. MX PERFORMED OPS 5088. NO SMELL NOTED. FOUND COFFEE RESIDUE ON AFT COFFEE MAKER. CLEANED COFFEE MAKER HEATING PLATE AND SURROUNDING AREA. TURNED ON GALLEY POWER AND LT ON FOR APPROX 1 HR. NO ODOR PRESENT.